| May 17, 2018 FForm 4 → | May 21, 5:57 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 15,933 | $40.18 | $640,188 | 19,989 | — | plan? |
| Apr 27, 2018 SForm 4 → | Apr 30, 9:47 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 17,152 | $43.41 | $744,568 | 44,133 | −28.0% | plan? |
| Mar 23, 2018 FForm 4 → | Mar 26, 1:29 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 6,544 | $45.71 | $299,126 | 61,285 | — | plan? |
| Mar 20, 2018 SForm 4 → | Mar 22, 9:31 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 11,965 | $46.86 | $560,680 | 67,829 | −15.0% | plan? |
| Mar 14, 2018 GForm 4 → | Mar 15, 11:53 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 4,952 | — | — | 79,794 | — | plan? |
| Mar 5, 2018 SForm 4 → | Mar 7, 10:24 am EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 13,659 | $46.53 | $635,553 | 84,746 | −13.9% | plan? |
| Feb 26, 2018 FForm 4 → | Feb 28, 4:49 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 824 | $48.26 | $39,766 | 98,405 | — | plan? |
| Feb 23, 2018 FForm 4 → | Feb 27, 6:52 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,043 | $48.06 | $98,180 | 99,229 | — | plan? |
| Feb 22, 2018 FForm 4 → | Feb 26, 11:26 am EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,234 | $47.71 | $106,584 | 101,272 | — | plan? |
| Dec 5, 2017 SForm 4 → | Dec 6, 12:41 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 19,225 | $44.41 | $853,851 | 103,506 | −15.7% | plan? |
| Nov 21, 2017 GForm 4 → | Nov 22, 1:19 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 500 | — | — | 122,731 | — | plan? |
| Nov 20, 2017 FForm 4 → | Nov 21, 1:23 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 4,493 | $44.23 | $198,725 | 123,231 | — | plan? |
| Mar 20, 2017 SForm 4 → | Mar 21, 6:30 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 26,226 | $38.48 | $1,009,176 | 127,724 | −17.0% | plan? |
| Mar 17, 2017 FForm 4 → | Mar 20, 11:03 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 10,591 | $38.26 | $405,212 | 153,950 | — | plan? |
| Feb 27, 2017 FForm 4 → | Mar 1, 11:29 am EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,485 | $39.97 | $99,325 | 164,541 | — | plan? |
| Feb 27, 2017 FForm 4 → | Feb 28, 5:45 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 1,685 | $40.03 | $67,451 | 167,026 | — | plan? |
| Feb 23, 2017 AForm 4 → | Feb 27, 6:13 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 23,200 | $39.87 | $924,984 | 168,711 | — | plan? |
| Feb 23, 2017 FForm 4 → | Feb 24, 8:19 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,468 | $39.99 | $98,695 | 145,511 | — | plan? |
| Dec 13, 2016 GForm 4 → | Dec 14, 12:52 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 300 | — | — | 147,979 | — | plan? |
| Nov 18, 2016 FForm 4 → | Nov 21, 6:49 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 4,492 | $42.23 | $189,697 | 148,279 | — | plan? |
| Aug 22, 2016 GForm 4 → | Aug 24, 2:26 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 250 | $42.83 | $10,708 | 152,771 | — | plan? |
| Mar 28, 2016 DForm 4 → | Mar 30, 4:26 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 24,908 | $42.54 | $1,059,586 | 153,021 | — | plan? |
| Mar 23, 2016 AForm 4 → | Mar 25, 4:33 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 15,625 | $42.24 | $660,000 | 177,929 | — | plan? |
| Mar 17, 2016 FForm 4 → | Mar 21, 3:04 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 9,607 | $42.29 | $406,280 | 162,304 | — | plan? |
| Feb 29, 2016 FForm 4 → | Mar 2, 6:54 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 1,577 | $37.96 | $59,863 | 171,911 | — | plan? |
| Feb 25, 2016 AFForm 4/A → | Mar 2, 6:46 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 13,628 | $39.20 | $534,218 | 173,488 | — | plan? |
| Feb 25, 2016 AFForm 4 → | Feb 29, 7:59 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 13,541 | $39.20 | $530,807 | 173,575 | — | plan? amended |
| Feb 23, 2016 FForm 4 → | Feb 25, 7:47 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,022 | $37.90 | $76,634 | 164,666 | — | plan? |
| Feb 19, 2016 FForm 4/A → | Feb 25, 6:09 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,483 | $37.60 | $93,361 | 166,688 | — | plan? |
| Feb 19, 2016 FForm 4 → | Feb 23, 7:01 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,362 | $37.60 | $88,811 | 166,809 | — | plan? amended |
| Nov 25, 2015 GForm 4 → | Nov 30, 10:33 am EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 500 | — | — | 169,171 | — | plan? |
| Nov 18, 2015 AForm 4 → | Nov 20, 5:27 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 19,135 | $35.56 | $680,441 | 169,671 | — | plan? |
| Mar 20, 2015 SForm 4 → | Mar 24, 1:01 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 788 | $30.22 | $23,813 | 150,536 | −0.52% | plan? |
| Mar 19, 2015 SForm 4 → | Mar 23, 12:29 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,000 | $29.48 | $58,960 | 151,324 | −1.30% | plan? |
| Mar 18, 2015 SForm 4 → | Mar 20, 12:34 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,000 | $29.46 | $58,920 | 153,324 | −1.29% | plan? |
| Mar 17, 2015 SForm 4 → | Mar 19, 4:16 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,000 | $29.49 | $58,980 | 155,324 | −1.27% | plan? |
| Mar 16, 2015 SForm 4 → | Mar 18, 3:45 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,000 | $29.33 | $58,660 | 157,324 | −1.26% | plan? |
| Mar 13, 2015 SForm 4 → | Mar 17, 10:14 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,000 | $29.42 | $58,840 | 159,324 | −1.24% | plan? |
| Mar 12, 2015 SForm 4 → | Mar 16, 1:55 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,000 | $29.39 | $58,780 | 161,324 | −1.22% | plan? |
| Mar 11, 2015 SForm 4 → | Mar 13, 10:06 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,000 | $29.24 | $58,480 | 163,324 | −1.21% | plan? |
| Mar 10, 2015 SForm 4 → | Mar 12, 3:00 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,000 | $29.36 | $58,720 | 165,324 | −1.20% | plan? |
| Mar 9, 2015 GForm 4 → | Mar 11, 11:36 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 560 | — | — | 167,324 | — | plan? |
| Mar 9, 2015 SForm 4 → | Mar 11, 11:36 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 3,000 | $29.97 | $89,910 | 167,884 | −1.76% | plan? |
| Mar 6, 2015 SForm 4 → | Mar 10, 11:01 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 3,000 | $29.69 | $89,070 | 170,884 | −1.73% | plan? |
| Mar 6, 2015 FForm 4 → | Mar 10, 11:01 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,697 | $30.18 | $81,395 | 173,884 | — | plan? |
| Mar 5, 2015 SForm 4 → | Mar 9, 2:13 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 3,000 | $29.99 | $89,970 | 176,581 | −1.67% | plan? |
| Mar 4, 2015 SForm 4 → | Mar 6, 12:47 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,000 | $29.85 | $59,700 | 179,581 | −1.10% | plan? |
| Mar 3, 2015 SForm 4 → | Mar 5, 3:12 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,000 | $29.58 | $59,160 | 181,581 | −1.09% | plan? |
| Mar 2, 2015 FForm 4 → | Mar 4, 12:40 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 1,618 | $29.97 | $48,491 | 183,581 | — | plan? |
| Mar 2, 2015 SForm 4 → | Mar 4, 12:40 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,000 | $29.77 | $59,540 | 185,199 | −1.07% | plan? |
| Feb 27, 2015 FForm 4 → | Mar 3, 9:19 am EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 1,577 | $29.91 | $47,168 | 187,199 | — | plan? |
| Feb 23, 2015 FForm 4 → | Feb 25, 4:12 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,014 | $30.54 | $61,508 | 188,776 | — | plan? |
| Feb 19, 2015 AFForm 4 → | Feb 23, 5:49 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 37,835 | $30.12 | $1,139,590 | 190,790 | — | plan? |